Features: 1.The audio system support answering the calls and can be controlled by mobile phone application. 2.Has the function of anti-slide and resistant to water. 3.Support USB playing and memory card playing ,can play mp3 format songs and radio. 4.The system support power cut memory function and equipped with a LED screen for information display. 5.The speaker is integrated designed with LED light strip on the back of the machine. Specification: Features:_x000D_ _x000D_ The audio system support answering the calls and can be controlled by mobile phone application. _x000D_ Has the function of anti-slide and resistant to water. _x000D_ Support USB playing and memory card playing ,can play mp3 format songs and radio. _x000D_ The system support power cut memory function and equipped with a LED screen for information display. _x000D_ The speaker is integrated designed with LED light strip on the back of the machine. _x000D_ _x000D_ Specification:_x000D_ Color:Black/Golden/Silver(Optional)_x000D_ Wiring Diagram:_x000D_ Red to Battery Positive_x000D_ Black to Igniting Control_x000D_ Green to Battery Negative_x000D_ Waterproof: Four-grade waterproof (spatter proof) is not damaged by water spatter in any direction._x000D_ (PS: If you do not cover the waterproof cover, you can't achieve the waterproof effect. If it is raining, you can't stay in the rain for a long time, it may cause damage)_x000D_ Output Wattage:2x10W 6ohm_x000D_ Rated Voltage:DC12V_x000D_ Output Frequency Range:20Hz~20KHz_x000D_ Working Temperature:-30~+60 _x000D_ Control Distance Compatible with Bluetooth>=6m_x000D_ Phone Charging Current:800mA_x000D_ Standby Mode Current:15mA_x000D_ Length(Without Bracket):205mm / 8.07in_x000D_ Length(With Bracket):310mm / 12.2in_x000D_ Diameter:60mm / 2.36in_x000D_ Suitable for Handle Bar Distance of 25~28cm,Diameter of 2~2.2cm_x000D_ _x000D_ Package List:_x000D_ 1 x Audio System_x000D_ 1 set of Installation Accessory PackageList: